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Question
Multiply:
(3x – 5y) and (x + 6y)
Sum
Solution
(3x − 5y) × (x + 6y)
= x × (3x − 5y) + 6y (3x − 5y)
= 3x2 − 5xy + 18xy − 30y2
= 3x2 + 13xy − 30y2
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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